select{
    padding: 10px 150px 10px 10px;
    border: 1px solid #c4d7ed;
    font-size: 15px;
    border-radius: 4px;
    background-color: #fff;
    height: 45px;
    position: relative;
    outline: none;
}
.form-select {
    display: block;
    width: 100%;
    max-width: 300px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    outline: none;
    cursor: pointer;
}

.form-select:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}
.form-select option {
     padding: 0.5rem 1rem;
     font-size: 1rem;
     color: #495057;
     background-color: #fff;
     border: 1px solid #ced4da;
     border-radius: 0.25rem;
     margin: 0.2rem 0;
     cursor: pointer;
 }

.form-select option:hover {
    background-color: #f1f1f1;
}

.form-select option:checked {
    background-color: #e9ecef;
    color: #000;
}